Received: by 2002:a25:1506:0:0:0:0:0 with SMTP id 6csp2336382ybv; Mon, 24 Feb 2020 03:31:24 -0800 (PST) X-Google-Smtp-Source: APXvYqyJmFtesa3jUMwr5UQVzHRcxQDYODTl0orl3eQxIEWNhFchUkf+XILRje7msqL+LOmlG+P3 X-Received: by 2002:a05:6808:209:: with SMTP id l9mr12263992oie.112.1582543884637; Mon, 24 Feb 2020 03:31:24 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1582543884; cv=none; d=google.com; s=arc-20160816; b=uGr+LGvLFc2+WgXq1uV/YJKAqMxhAjo1NammzR5dnR8C/AMr/9aOHv2tzCc2A3zYI4 Ncx2afE8sL8Uam22YjdW44kDI6CZtPXEtsCy2dui5sg+f5fJU3CDKquo5Ol/62h5ggle K/H9xvO3iAtFjU4O1uOwvwuAJknyecBL3RHBb6LmvNLJynMzWB7Wh3jFAtqob5Nd6gU4 VK24h0b1lMa/f7jbCMA1Y77kTdxLxpSXcwe7QXf1BCsS3rsxwJdVayc1DgLWOaNg2AIO BcGuMERfPAY7Tqz0dCjQEW2DlhhLzeofWAEm3gPjAXSZv9Zeg8UyBk5Lj2ORwV/vmntQ 9f7Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:message-id:date:references :in-reply-to:subject:cc:to:from; bh=3+kLJJf7KHi5sb1ktlLYZRTvoWGTn3CmO0M8Gt5Vta4=; b=fLb4bXwGb/Gg8mi7jcFOFrPRlTE2kGKIlgl425GXkYKbtrEZYtABNuYaaaA9kQlj0+ e9Mn39RAY35xsbqCKdfolgqZohWRgbnPzuWThhTXsNDsFoWYvntUEu2q9PiJyQV4q7bC CUHwh7WyXKQ5FlXsYiGPlN0H3sRS1unAs08+1Ar/b1D8hPtvHrLFGgb3MuNMuiYU4t5v nWIdHhclPQLXf8YMWQeHJ7waOGM/U+Fb+WnRmLLrmMZc028MiI+nj8id90w4VcLfnMwz RjxBVwnp4Jq2gqZ+/iCSOi34z8429BUqqxcVO7rprAMTJNbRLs1kDuZPRd0vY27hoj9s uyHA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id w7si6014663otq.250.2020.02.24.03.31.12; Mon, 24 Feb 2020 03:31:24 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727302AbgBXLai (ORCPT + 99 others); Mon, 24 Feb 2020 06:30:38 -0500 Received: from Galois.linutronix.de ([193.142.43.55]:49571 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727240AbgBXLai (ORCPT ); Mon, 24 Feb 2020 06:30:38 -0500 Received: from p5de0bf0b.dip0.t-ipconnect.de ([93.224.191.11] helo=nanos.tec.linutronix.de) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1j6BwY-0000ka-L1; Mon, 24 Feb 2020 12:30:34 +0100 Received: by nanos.tec.linutronix.de (Postfix, from userid 1000) id 0E605104083; Mon, 24 Feb 2020 12:30:34 +0100 (CET) From: Thomas Gleixner To: Marc Zyngier , Zenghui Yu Cc: linux-kernel@vger.kernel.org, wanghaibin.wang@huawei.com Subject: Re: [PATCH] genirq/irqdomain: Make sure all irq domain flags are distinct In-Reply-To: <7dec8c6eb07f634a4cccec3be5136e2f@kernel.org> References: <20200221020725.2038-1-yuzenghui@huawei.com> <7dec8c6eb07f634a4cccec3be5136e2f@kernel.org> Date: Mon, 24 Feb 2020 12:30:33 +0100 Message-ID: <87eeuk43za.fsf@nanos.tec.linutronix.de> MIME-Version: 1.0 Content-Type: text/plain X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Marc Zyngier writes: > On 2020-02-21 02:07, Zenghui Yu wrote: >> Fixes: 6f1a4891a592 ("x86/apic/msi: Plug non-maskable MSI affinity >> race") > > To be fair, the real source of the bug is this: > > 6a6544e520abe ("genirq/irqdomain: Remove auto-recursive hierarchy > support") Yes, but up to the MSI commit it was not a problem :)